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mirror of synced 2024-12-11 15:25:59 +01:00
Switch-Toolbox/File_Format_Library/FileFormats/Archives/GFA.cs
KillzXGaming 7cf2e9c571 Cleanup
2019-07-16 17:45:10 -04:00

170 lines
5.4 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Toolbox;
using System.Windows.Forms;
using Toolbox.Library;
using Toolbox.Library.IO;
namespace FirstPlugin
{
public class GFA : IArchiveFile, IFileFormat
{
public FileType FileType { get; set; } = FileType.Archive;
public bool CanSave { get; set; }
public string[] Description { get; set; } = new string[] { "Good Feel Archive" };
public string[] Extension { get; set; } = new string[] { "*.gfa" };
public string FileName { get; set; }
public string FilePath { get; set; }
public IFileInfo IFileInfo { get; set; }
public bool CanAddFiles { get; set; }
public bool CanRenameFiles { get; set; }
public bool CanReplaceFiles { get; set; } = true;
public bool CanDeleteFiles { get; set; }
public bool Identify(System.IO.Stream stream)
{
using (var reader = new Toolbox.Library.IO.FileReader(stream, true))
{
return reader.CheckSignature(4, "GFAC");
}
}
public Type[] Types
{
get
{
List<Type> types = new List<Type>();
return types.ToArray();
}
}
public List<FileEntry> files = new List<FileEntry>();
public IEnumerable<ArchiveFileInfo> Files => files;
private uint Unknown1;
private uint Version;
public void Load(System.IO.Stream stream)
{
using (var reader = new FileReader(stream))
{
reader.ByteOrder = Syroot.BinaryData.ByteOrder.LittleEndian;
reader.ReadSignature(4, "GFAC");
Unknown1 = reader.ReadUInt32();
Version = reader.ReadUInt32();
uint FileInfoOffset = reader.ReadUInt32();
uint FileInfoSize = reader.ReadUInt32();
uint DataOffset = reader.ReadUInt32();
uint DataSize = reader.ReadUInt32();
byte[] Padding = reader.ReadBytes(0x10); //Not sure
reader.SeekBegin(FileInfoOffset);
uint FileCount = reader.ReadUInt32();
for (int i = 0; i < FileCount; i++)
{
var file = new FileEntry();
file.Read(reader);
files.Add(file);
}
reader.SeekBegin(DataOffset);
reader.ReadSignature(4, "GFCP");
uint VersionGFCP = reader.ReadUInt32();
uint CompressionType = reader.ReadUInt32();
uint DecompressedSize = reader.ReadUInt32();
uint CompressedSize = reader.ReadUInt32();
}
}
public void Unload()
{
}
public byte[] Save()
{
var mem = new System.IO.MemoryStream();
using (var writer = new FileWriter(mem))
{
writer.ByteOrder = Syroot.BinaryData.ByteOrder.LittleEndian;
writer.WriteSignature("GFAC");
writer.Write(Unknown1);
writer.Write(Version);
writer.Write(uint.MaxValue); //Info offset for later
writer.Write(uint.MaxValue); //Info size for later
writer.Write(uint.MaxValue); //Data offset for later
writer.Write(uint.MaxValue); //Data size for later
writer.Write(new byte[0x10]); //Padding
writer.WriteUint32Offset(12); //Save info offset
writer.Write(files.Count);
/* //Save info
for (int i = 0; i < files.Count; i++)
files[i].Write(writer);
//Save strings and offsets
for (int i = 0; i < files.Count; i++)
files[i].Write(writer);
writer.Write(new uint[files.Count]); //Save space for offsets
for (int i = 0; i < files.Count; i++)
writer.Write(files[i].FileData.Length);
*/
}
return mem.ToArray();
}
private void Align(FileWriter writer, int alignment)
{
var startPos = writer.Position;
long position = writer.Seek((-writer.Position % alignment + alignment) % alignment, System.IO.SeekOrigin.Current);
writer.Seek(startPos, System.IO.SeekOrigin.Begin);
while (writer.Position != position)
{
writer.Write((byte)0x30);
}
}
public bool AddFile(ArchiveFileInfo archiveFileInfo)
{
return false;
}
public bool DeleteFile(ArchiveFileInfo archiveFileInfo)
{
return false;
}
public class FileEntry : ArchiveFileInfo
{
public uint Hash { get; set; }
public void Read(FileReader reader)
{
Hash = reader.ReadUInt32();
FileName = GetName(reader);
uint Size = reader.ReadUInt32();
uint Offset = reader.ReadUInt32();
}
}
private static string GetName(FileReader reader)
{
uint Offset = reader.ReadUInt32();
using (reader.TemporarySeek(Offset & 0x00ffffff, System.IO.SeekOrigin.Begin))
{
return reader.ReadZeroTerminatedString();
}
}
}
}